UN PROCEDIMIENTO PARA LA SEPARACION DE HIDROXIACETONA DEL FENOL PRODUCIDO POR EL DESDOBLAMIENTO DEL HIDROPEROXIDO DE CUMENO CATALIZADO POR ACIDO.

摘要

1394452 Phenol BP CHEMICALS INTERNATIONAL Ltd 8 May 1973 [18 May 1972] 23442/72 Heading C2C A process for the removal of hydroxyacetone from phenol produced by the acid catalysed cleavage of cumene hydroperoxide comprises feeding the neutralized cleavage products together with water to an intermediate point in a zone of a distillation column removing constituents boiling below phenol, distilling the mixture to remove a distillate containing acetone and other components boiling below phenol and a bottoms fraction comprising crude phenol and removing water together with hydroxyacetone from the column as a purge from the trays above the feed point.